94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package server
|
|
|
|
import (
|
|
"html/template"
|
|
"io"
|
|
"log"
|
|
"net/http"
|
|
"sync"
|
|
|
|
"setec-manager/web"
|
|
)
|
|
|
|
var (
|
|
tmplOnce sync.Once
|
|
tmpl *template.Template
|
|
)
|
|
|
|
func (s *Server) getTemplates() *template.Template {
|
|
tmplOnce.Do(func() {
|
|
funcMap := template.FuncMap{
|
|
"eq": func(a, b interface{}) bool { return a == b },
|
|
"ne": func(a, b interface{}) bool { return a != b },
|
|
"default": func(val, def interface{}) interface{} {
|
|
if val == nil || val == "" || val == 0 || val == false {
|
|
return def
|
|
}
|
|
return val
|
|
},
|
|
}
|
|
|
|
var err error
|
|
tmpl, err = template.New("").Funcs(funcMap).ParseFS(web.TemplateFS, "templates/*.html")
|
|
if err != nil {
|
|
log.Fatalf("Failed to parse templates: %v", err)
|
|
}
|
|
})
|
|
return tmpl
|
|
}
|
|
|
|
type templateData struct {
|
|
Title string
|
|
Claims *Claims
|
|
Data interface{}
|
|
Flash string
|
|
Config interface{}
|
|
}
|
|
|
|
func (s *Server) renderTemplate(w http.ResponseWriter, name string, data interface{}) {
|
|
td := templateData{
|
|
Data: data,
|
|
Config: s.Config,
|
|
}
|
|
|
|
t := s.getTemplates().Lookup(name)
|
|
if t == nil {
|
|
http.Error(w, "Template not found: "+name, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
if err := t.Execute(w, td); err != nil {
|
|
log.Printf("Template render error (%s): %v", name, err)
|
|
}
|
|
}
|
|
|
|
func (s *Server) renderTemplateWithClaims(w http.ResponseWriter, r *http.Request, name string, data interface{}) {
|
|
td := templateData{
|
|
Claims: getClaimsFromContext(r.Context()),
|
|
Data: data,
|
|
Config: s.Config,
|
|
}
|
|
|
|
t := s.getTemplates().Lookup(name)
|
|
if t == nil {
|
|
http.Error(w, "Template not found: "+name, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
if err := t.Execute(w, td); err != nil {
|
|
log.Printf("Template render error (%s): %v", name, err)
|
|
}
|
|
}
|
|
|
|
// renderError sends an error response - HTML for browsers, JSON for API calls.
|
|
func (s *Server) renderError(w http.ResponseWriter, r *http.Request, status int, message string) {
|
|
if acceptsHTML(r) {
|
|
w.WriteHeader(status)
|
|
io.WriteString(w, message)
|
|
return
|
|
}
|
|
writeJSON(w, status, map[string]string{"error": message})
|
|
}
|